| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02360531 |
| Collector | F. W. Pennell & R. L. Schaeffer, Jr. |
| Collector number | 23517 |
| Country | United States of America |
| State | Montana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana: Gallatin County |
| Locality | [data not captured] |
| Date Collected | 1938-07-24 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3ffa8ed4-7b48-43ca-880f-77a49a5e71e9 |
| Harvard University Herbaria Barcode | 02360531 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum douglasii Greene |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
